3% of South Koreans viewed North Korea's influence positively, with 91% expressing a negative view, making South Korea, after Japan, the country with the most negative feelings of North Korea in the world. However, a 2014 government-funded survey found 13% of South Koreans viewed North Korea as hostile, and 58% of South Koreans believed North Korea was a country they should cooperate with. On 1 January 2015, Kim Jong-un, in his New Year's address to the country, stated that he was willing to resume higher-level talks with the South. In the first week of August 2015, a mine went off at the DMZ, wounding two South Korean soldiers. The South Korean government accused the North of planting the mine, which the North denied. After that South Korea restarted propaganda broadcasts to the North. On 20 August 2015, North Korea fired a shell on the city of Yeoncheon. South Korea launched several artillery rounds in response. There were no casualties in the South, but some local residents evacuated. The shelling caused both countries to adopt pre-war statuses and a talk that was held by high level officials in the Panmunjeom to relieve tensions on 22 August 2015, and the talks carried over to the next day. Nonetheless, while talks were going on, North Korea deployed over 70 percent of their submarines, which increased the tension once more on 23 August 2015. Talks continued into the next day and finally concluded on 25 August when both parties reached an agreement and military tensions were eased. Despite peace talks between South Korea and North Korea on 9 September 2016 regarding the North's missile test, North Korea continued to progress with its missile testing. North Korea carried out its fifth nuclear test as part of the state's 68th anniversary since its founding. In response South Korea revealed that it had a plan to assassinate Kim Jong-un. According to a 2017 Korea Institute for National Unification, 58% of South Korean citizens had responded that unification is necessary. Among the respondents of the 2017 survey, 14% said 'we really need unification' while 44% said 'we kind of need the unification'. Regarding the survey question of 'Do we still need unification even if ROK and DPRK could peacefully coexist?', 46% agreed and 32% disagreed. Thaw in 2017 and 2018 In May 2017 Moon Jae-in was elected President of South Korea with a promise to return to the